Inventor · disambiguated record

David J. Spence

Also filed as: OHTA HIDEAKI · SPENCE DAVID J

7 granted patents·1 pending application·442 citations·filing 20002014

88Inventor score
Technology areasA61PA61KA23L
Files withTAKASAGO INTERNAT CORP USA3TAKASAGO INT CORP (USA)2MANLEY CHARLES1SPENCE DAVID J1TAKASAGO PERFUMERY CO LTD1

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →